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EN - english

 

 

 

Instructions for installation and operation 

Compressed air refrigeration dryer 

DRYPOINT

®

 RA HT 20-350 NA UL 

 

 

 

 

 

 

 

Summary of Contents for DRYPOINT RA HT 100-P NA UL

Page 1: ...EN english Instructions for installation and operation Compressed air refrigeration dryer DRYPOINT RA HT 20 350 NA UL ...

Page 2: ...r Please read these installation and operating instructions carefully before mounting and starting up the DRYPOINT RA HT 20 350 NA UL and follow our directions Perfect functioning of the DRYPOINT RA HT 20 350 NA UL and thus reliable compressed air drying can only be guaranteed when the provisions and notes stipulated here are strictly adhered to ...

Page 3: ...Functional description 20 15 3 Flow chart 21 15 4 Refrigerating compressor 22 15 5 Condenser 22 15 6 Aftercooler 22 15 7 Pre Filter 1 micron 22 15 8 Filter dryer 22 15 9 Capillary tube 22 15 10 Aluminium heat exchanger 22 15 11 Hot gas bypass valve 22 15 12 Refrigerant pressure switches LPS HPS PV 23 15 13 Safety temperature switch TS 23 15 14 Aftercooler safety thermo switch TSA 23 15 15 DMC 14 e...

Page 4: ...RYPOINT RA HT 20 50 NA UL 40 17 2 3 Exploded diagram DRYPOINT RA HT 75 NA UL 41 17 2 4 Exploded diagram DRYPOINT RA HT 100 NA UL 42 17 2 5 Exploded diagram DRYPOINT RA HT 150 250 NA UL 43 17 2 6 Exploded diagram DRYPOINT RA HT 300 350 NA UL 44 17 3 Electric diagrams 45 17 3 1 Electric diagrams list of components 45 17 3 2 Electric diagram DRYPOINT RA HT 20 50 NA UL 46 17 3 3 Electric diagram DRYPO...

Page 5: ...r to installation start up and maintenance The operating instructions must be accessible at all times at the place of application of the DRYPOINT RA HT 20 350 NA UL compressed air refrigeration dryer In addition to these operating instructions local and national regulations need to be observed where required Ensure that operation of the DRYPOINT RA HT 20 350 NA UL compressed air refrigeration drye...

Page 6: ... refer to safety precautions The device was carefully designed with particular attention paid to environmental protection CFC free refrigerants CFC free insulation material Energy saving design Limited acoustic emissions Dryer and packaging comprise reusable materials This symbol advises the user to observe the environmental aspects and comply with the recommendations connected with this symbol 1 ...

Page 7: ...gly when accessories are used Danger Compressed air Risk of serious injury or death through contact with quickly or suddenly escaping compressed air or through bursting and or unsecured plant components Compressed air is a highly dangerous energy source Never work on the dryer when the system is under pressure Never direct the compressed air outlet or condensate drain hoses at persons The user is ...

Page 8: ...of the reach of children 5 Breathing protection ambient air independent respirator at high concentrations 6 Eye protection sealing goggles 7 Hand protection protective gloves e g made of leather 8 Personal protection protective clothing 9 Skin protection use protective cream In addition the safety data sheet for the refrigerant needs to be observed Caution Hot surfaces During operation several com...

Page 9: ...Ex 0 mod_1183616103770_6 doc 4009os 9 Beko Technische Dokumentation Sicherheit Zusatz Sicherheitshinweise BM33 0 mod_1231926887620_6 doc 12829s 10 Beko Technische Dokumentation Sicherheit Vorsicht Fehlfunktion 0 mod_1214378096290_6 doc 9359 Note Ambient conditions In the event that the dryer is not installed under suitable ambient conditions the ability of the device to condense refrigerant gas is...

Page 10: ...POINT RA HT 20 350 NA UL compressed air refrigeration dryer must only be employed within the pressure and temperature range limits indicated by the manufacturer on the name plate No welding must be carried out on the pressure parts The DRYPOINT RA HT 20 350 NA UL compressed air refrigeration dryer must neither be installed in insufficiently ventilated rooms nor near heat sources or inflammable sub...

Page 11: ...tions the ability of the device to condense refrigerant gas is impaired This can result in a higher load of the refrigerating compressor and in a loss of efficiency and performance of the dryer This in turn leads to overheated condenser fan motors to malfunction of electric components and to a breakdown of the dryer Failures of this type will affect warranty considerations Do not install the dryer...

Page 12: ...d the throughput rate of the compressor The storage capacity of the tank must be dimensioned in such a way that a possible short term high air demand peak air consumption can be compensated Do not obstruct the ventilation grille not even partially Prevent any recirculation of the outgoing cooling air Protect the dryer against draughts Note Contaminated intake air In the event that the intake air i...

Page 13: ...t pressure 120 psig 8 barg Ambient temperature 105 F 40 C Air inlet temperature 195 F 90 C Pressure dew point 45 F 7 C Factor F1 1 07 Factor F2 0 94 Factor F3 0 90 Factor F4 1 00 Every function parameter corresponds to a numerical factor which multiplied by the planned nominal capacity determines the following Air flow capacity 150 x 1 07 x 0 94 x 0 90 x 1 00 137 scfm 233 m h 137 scfm 233 m h This...

Page 14: ... the additional installation of a prefilter e g CLEARPOINT F040 to avoid clogging of the heat exchanger 8 5 Electrical connections Danger Supply voltage The connection to the electric mains should only be carried out by qualified skilled personnel and must correspond to the legal provisions in force in your region Prior to connecting the device please check the name plate to avoid exceeding the in...

Page 15: ... system or container by properly screwing it on Do not connect the drain with pressurised plants Do not discharge the condensate into the environment The condensate accumulating in the dryer contains oil particles which were released into the air by the compressor Dispose of the condensate in accordance with the local provisions It is advisable to install a water oil separator to which the total a...

Page 16: ...hod below should be applied during the first start up after longer downtimes or subsequent to maintenance works The start up must be carried out by certified skilled personnel Processing sequence see Section 11 1 Control panel Ensure that all the steps of the Installation chapter have been observed Ensure that the connection to the compressed air system is correct and that the piping is suitably f...

Page 17: ...c controller DMC14 is correct Switch OFF the air compressor After a few minutes switch off the main switch on the control panel of the dryer pos 1 NOTE A DewPoint within 32 F 0 C and 60 F 15 C displayed on DMC14 is correct according to the possible working conditions flow rate temperature of the incoming air ambient temperature etc During the operation the refrigerating compressor will run continu...

Page 18: ...Technical data 18 DRYPOINT RA HT 20 350 NA UL 10 Technical data 10 1 Technical data DRYPOINT RA HT 20 150 NA P 1 115 60 UL ...

Page 19: ...DRYPOINT RA HT 20 350 NA UL 19 10 2 Technical data DRYPOINT RA HT 150 350 NA E 1 230 60 UL ...

Page 20: ...oximately 41 F 5 C causing additional water vapor to condense to liquid The liquid is continuously coalesced and collected in the dryer separator for automatic removal by the second condensate drain The cool moisture free compressed air then passes back through the air to air heat exchanger to be reheated to within the ambient temperature as it exits the dryer Refrigeration cycle Refrigerant gas i...

Page 21: ...nsate drain strainer 3 Safety temperature switch TS RA HT 150 350 NA UL 15 Condensate drain solenoid valve 3 1 Aftercooler safety thermo switch TSA 16 Coil for condensate drain solenoid valve 4 Refrigerant pressure switch HPS RA HT 300 350 NA UL 17 Electronic controller 5 Refrigerant fan pressure switch PV 21 BEKOMAT condensate drain 6 Refrigerating compressor 26 Aftercooler 7 Hot gas bypass valve...

Page 22: ... is located between the condenser and the evaporator serving as a restrictor to reduce the pressure of the refrigerant The pressure reduction serves to reach an optimum temperature inside of the evaporator The lower the outlet pressure at the capillary tube the lower the evaporation temperature The length and the inner diameter of the capillary tube are exactly dimensioned to ensure the performanc...

Page 23: ...ues Calibrated pressure R 134 a Start 160 psig 7 25 0 psi 11 barg 0 5 0 bar Stop 116 psig 0 7 25 psi 8 barg 0 0 5 bar R 407 C Start 261 psig 7 25 0 psi 18 barg 0 5 0 bar Stop 203 psig 0 7 25 psi 14 barg 0 0 5 bar 11 13 Safety temperature switch TS To ensure the operational safety and the soundness of the dryer a safety temperature switch TS is installed at the refrigeration cycle In the event that...

Page 24: ...alarm tripping temperature for high dewpoint NOTE The temperatures are displayed in C or F led or is lighted 11 15 4 How a service warning alarm is displayed A service warning alarm is an unusual event that must recall the attention of the operators maintenance technicians It does not stop the dryer When a service warning alarm is active the led is lighted or flashing Service warnings alarms are a...

Page 25: ... setup Ton drain time ON time ON condensate drain valve 00 20 sec 1 sec 2 ToF drain time OFF pause time for condensate drain valve 1 20 min 1 min 1 ASH High DewPoint Setting Alarm threshold for a high DewPoint the alarm disappears when the temperature drop 0 5 C 1 F below alarm point 0 0 25 0 C or 32 77 F 0 5 C or 1 F 20 or 68 AdH High DewPoint Delay high DewPoint alarm enable delay 01 20 minutes ...

Page 26: ...oubleshooting spare parts and dismantling chapters leads to the expiration of the guarantee Improper maintenance may result in dangerous situations for the personnel and or the device Danger Supply voltage Contact with non insulated parts carrying supply voltage involves the risk of an electric shock resulting in injuries and death Only qualified and skilled personnel are authorised to run electri...

Page 27: ...YEARLY Verify for tightness all the screws of the electric system and that all the Faston type connections are in their proper position inspect unit for broken cracked or bare wires Inspect refrigerating circuit for signs of oil and refrigerant leakage Measure and record amperage Verify that readings are within acceptable parameters as listed in specification table Inspect condensate drain flexibl...

Page 28: ...e dryer when the system is under pressure Never direct the compressed air outlet or condensate drain hoses at persons The user is responsible for the proper maintenance of the dryer Non observance of the instructions in the Installation and Maintenance troubleshooting spare parts and dismantling chapters leads to the expiration of the guarantee Improper maintenance may result in dangerous situatio...

Page 29: ...tions The condenser is dirty clean it The aftercooler is dirty clean it The condenser fan doesn t work see specific point The aftercooler fan doesn t work see specific point The dryer doesn t drain the condensate see specific point The hot gas by pass valve is out of setting contact a refrigeration engineer to restore the nominal setting There is a leak in the refrigerating fluid circuit contact a...

Page 30: ...ration of the dryer Where installed The TS safety thermo switch has been activated Check which of the following has caused the activation 1 Eccessive thermal load restore the standard operating conditions 2 The inlet air is too hot restore the nominal conditions 3 The ambient temperature is too high or the room aeration is insufficient provide proper ventilation 4 The condenser unit is dirty clean...

Page 31: ... applied inside the dryer On this sticker each spare part is identified with its ID Number and related Spare Part Number Here below the cross reference table between ID Numbers and exploded drawings Ref with their description and quantity installed in the dryers NOTE To order the recommended spare parts or other elements the data on the name plate must be indicated ...

Page 32: ...hemical formula MIK GWP R134a HFC CH2FCF3 1000 ppm 1430 R407C HFC R32 125 134a 23 25 52 CHF2CF3 CH2F2 CH2FCF3 1000 ppm 1773 85 12 6 Dismantling the dryer When the dryer is dismantled all parts and operating materials related to the plant need to be disposed of separately Component Material Refrigerant R407C R134a oil Roof and supports Structural steel epoxy paint coat Refrigerating compressor Stee...

Page 33: ...Appendices DRYPOINT RA HT 20 350 NA UL 33 13 Appendices 13 1 Dryer dimensions 13 1 1 Dryer dimensions DRYPOINT RA HT 20 50 NA UL ...

Page 34: ...Appendices 34 DRYPOINT RA HT 20 350 NA UL 13 1 2 Dryers Dimensions DRYPOINT RA HT 75 NA UL ...

Page 35: ...Appendices DRYPOINT RA HT 20 350 NA UL 35 13 1 3 Dryer dimensions DRYPOINT RA HT 100 NA UL ...

Page 36: ...Appendices 36 DRYPOINT RA HT 20 350 NA UL 13 1 4 Dryer dimensions DRYPOINT RA HT 150 NA UL ...

Page 37: ...Appendices DRYPOINT RA HT 20 350 NA UL 37 13 1 5 Dryers Dimensions DRYPOINT RA HT 200 250 NA UL ...

Page 38: ...Appendices 38 DRYPOINT RA HT 20 350 NA UL 13 1 6 Dryers Dimensions DRYPOINT RA HT 300 350 NA UL ...

Page 39: ... HT NA 300 350 27 2 Blade 5 Refrigerant fan pressure switch PV 27 3 Grid 6 Compressor 28 Pre Filter 7 Hot gas bypass valve 51 Front panel 8 Condenser 52 Back panel 9 Condenser fan 53 Right lateral panel 9 1 Motor 54 Left lateral panel 9 2 Blade 55 Cover 9 3 Grid 56 Base plate 10 Filter dryer 57 Upper plate 11 Capillary tube 58 Support beam 12 T1 temperature probe DewPoint 59 Support bracket 13 Con...

Page 40: ...Appendices 40 DRYPOINT RA HT 20 350 NA UL 13 2 2 Exploded diagram DRYPOINT RA HT 20 50 NA UL Zero loss drain Timed ...

Page 41: ...Appendices DRYPOINT RA HT 20 350 NA UL 41 13 2 3 Exploded diagram DRYPOINT RA HT 75 NA UL Timed Zero loss drain ...

Page 42: ...Appendices 42 DRYPOINT RA HT 20 350 NA UL 13 2 4 Exploded diagram DRYPOINT RA HT 100 NA UL Timed Zero loss drain ...

Page 43: ...Appendices DRYPOINT RA HT 20 350 NA UL 43 13 2 5 Exploded diagram DRYPOINT RA HT 150 250 NA UL Timed Zero loss drain ...

Page 44: ...Appendices 44 DRYPOINT RA HT 20 350 NA UL 13 2 6 Exploded diagram DRYPOINT RA HT 300 350 NA UL Timed Zero loss drain ...

Page 45: ... suction side LOW PRESSURE PV Pressure switch fan control TS Safety temperature switch TSA Aftercooler safety thermo switch ELD BEKOMAT drain EVD Timed condensate drain S1 ON OFF switch KC1 TS Power contactor NT1 Only air cooled NT2 Check the transformer connections with regard to the supply voltage NT3 Jump if not installed NT4 Provided and cabled by the customer NT5 Internal control NT6 Time con...

Page 46: ...Appendices 46 DRYPOINT RA HT 20 350 NA UL 13 3 2 Electric diagram DRYPOINT RA HT 20 50 NA UL ...

Page 47: ...Appendices DRYPOINT RA HT 20 350 NA UL 47 13 3 3 Electric diagram DRYPOINT RA HT 75 100 NA UL ...

Page 48: ...Appendices 48 DRYPOINT RA HT 20 350 NA UL 13 3 4 Electric diagram DRYPOINT RA HT 150 NA UL ...

Page 49: ...Appendices DRYPOINT RA HT 20 350 NA UL 49 13 3 5 Electric diagram DRYPOINT RA HT 200 250 NA UL ...

Page 50: ...Appendices 50 DRYPOINT RA HT 20 350 NA UL 13 3 6 Electric diagram DRYPOINT RA HT 300 350 NA UL ...

Page 51: ...Appendices ...

Page 52: ...Original operating instructions in English Subject to technical changes errors excepted 74MD0029A2 EN_01 DRYPOINT_RA_HT_20 350_NA_UL_manual_EN_11 2018 ...

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